Season 6, Episode 4 Differentials

First Aired: July 10, 2005

Dylan's college mentor flies in from San Diego to seek treatment for a debilitating neurological disorder. While in Philadelphia, she clashes with Lu over the question of whether women are inherently less able to succeed in science. Also, a heartbreaking choice must be made by a female firefighter whose two children are dying from kidney failure. Dr. Ann Nanji: Kavita Patil.